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LP-based mode-dependent piece-wise event-triggered finite-time L1 control for switched positive systems under MDMDT constraint

Author

Listed:
  • Li, Shuo
  • Zhang, Yiyun
  • Jia, Yongqi
  • Xiang, Zhengrong
  • Wang, Jinling

Abstract

This paper addresses the design of a finite-time (FT) L1 control utilizing an event-triggered (ET) mechanism for a category of switched positive systems (SPSs) while taking into account the constraint of mode-dependent minimum dwell time (MDMDT). First, a novel ET approach utilizing 1-norm criteria is introduced to formulate the FT control design, and a positivity condition is established. Then, a new class of discretized linear copositive Lyapunov function (DLCLF) is created for the MDMDT constraint, and an ET-FT L1 control scheme in a novel mode-dependent piece-wise format is designed for SPSs subject to the MDMDT constraint. It is noteworthy that through the utilization of matrix decomposition technology on the controller gain matrices Fi,s+ and Fi,s−, the proposed conditions for the devised ET-FT L1 control scheme are formulated in the linear programming (LP) form, rather than the traditionally employed linear matrix inequality (LMI) form. This approach offers a simpler structure and reduced computational complexity compared to the latter. Furthermore, to facilitate the development of FT L1 control, a time-triggered (TT) mechanism is also specifically integrated, and an LP-based TT-FT L1 control scheme in a mode-dependent piece-wise format is designed for SPSs under the MDMDT constraint. With the LP conditions, three examples are presented to show the efficacy and veracity of the devised ET-FT L1 control. Furthermore, a comparative analysis is conducted between the formulated ET-FT L1 control and the TT-FT L1 control, highlighting the superiority of the former.

Suggested Citation

  • Li, Shuo & Zhang, Yiyun & Jia, Yongqi & Xiang, Zhengrong & Wang, Jinling, 2025. "LP-based mode-dependent piece-wise event-triggered finite-time L1 control for switched positive systems under MDMDT constraint," Applied Mathematics and Computation, Elsevier, vol. 495(C).
  • Handle: RePEc:eee:apmaco:v:495:y:2025:i:c:s0096300325000591
    DOI: 10.1016/j.amc.2025.129332
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    Keywords

    Switched positive systems; Event-triggered mechanism; Finite-time L1 control; Mode-dependent minimum dwell time constraint; Discretized linear copositive Lyapunov function;
    All these keywords.

    JEL classification:

    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance

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